Luis Andreotti defeated Sebastian Weisz 6-1 6-4 in the Argentina 1 Masters 1 round of 32 on clay. Luis Andreotti extended the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1991-10-21 | Bolivia Chile Masters 1 | R32 | clay | Sebastian Weisz | 6-4 6-1 |
| 1991-10-21 | Bolivia Chile Masters 2 | R16 | clay | Luis Andreotti | 6-4 1-6 6-4 |